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-rw-r--r--arch/s390/kernel/entry.S8
-rw-r--r--arch/s390/kernel/entry64.S8
-rw-r--r--arch/s390/kernel/setup.c1
-rw-r--r--arch/s390/kernel/traps.c9
4 files changed, 21 insertions, 5 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index c8a2212014e..6234c6978a1 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -769,10 +769,13 @@ mcck_return:
RESTORE_ALL __LC_RETURN_MCCK_PSW,0
-#ifdef CONFIG_SMP
/*
* Restart interruption handler, kick starter for additional CPUs
*/
+#ifdef CONFIG_SMP
+#ifndef CONFIG_HOTPLUG_CPU
+ .section .init.text,"ax"
+#endif
.globl restart_int_handler
restart_int_handler:
l %r15,__LC_SAVE_AREA+60 # load ksp
@@ -785,6 +788,9 @@ restart_int_handler:
br %r14 # branch to start_secondary
restart_addr:
.long start_secondary
+#ifndef CONFIG_HOTPLUG_CPU
+ .previous
+#endif
#else
/*
* If we do not run with SMP enabled, let the new CPU crash ...
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 93745fd8f55..685f11faa4b 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -745,10 +745,13 @@ mcck_return:
#endif
lpswe __LC_RETURN_MCCK_PSW # back to caller
-#ifdef CONFIG_SMP
/*
* Restart interruption handler, kick starter for additional CPUs
*/
+#ifdef CONFIG_SMP
+#ifndef CONFIG_HOTPLUG_CPU
+ .section .init.text,"ax"
+#endif
.globl restart_int_handler
restart_int_handler:
lg %r15,__LC_SAVE_AREA+120 # load ksp
@@ -759,6 +762,9 @@ restart_int_handler:
lmg %r6,%r15,__SF_GPRS(%r15) # load registers from clone
stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on
jg start_secondary
+#ifndef CONFIG_HOTPLUG_CPU
+ .previous
+#endif
#else
/*
* If we do not run with SMP enabled, let the new CPU crash ...
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 51d6309e7f3..7e1bfb98406 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -300,6 +300,7 @@ static void __init setup_zfcpdump(unsigned int console_devno)
else
sprintf(str, "cio_ignore=all,!0.0.%04x",
ipl_info.data.fcp.dev_id.devno);
+ strcat(COMMAND_LINE, " ");
strcat(COMMAND_LINE, str);
console_loglevel = 2;
}
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index cbfe73034c3..ee9186f8fb0 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -253,19 +253,22 @@ void die(const char * str, struct pt_regs * regs, long err)
{
static int die_counter;
+ oops_enter();
debug_stop_all();
console_verbose();
spin_lock_irq(&die_lock);
bust_spinlocks(1);
printk("%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
- show_regs(regs);
+ print_modules();
+ show_regs(regs);
bust_spinlocks(0);
- spin_unlock_irq(&die_lock);
+ spin_unlock_irq(&die_lock);
if (in_interrupt())
panic("Fatal exception in interrupt");
if (panic_on_oops)
panic("Fatal exception: panic_on_oops");
- do_exit(SIGSEGV);
+ oops_exit();
+ do_exit(SIGSEGV);
}
static void inline